AROMATIC POLYAMIDE FIBER MATERIAL SEPARATORS FOR USE IN ELECTROLYTIC CAPACITORS

A capacitor includes an anode foil, a cathode foil, a conductive electrolyte, and a separator between the cathode foil and the anode foil. The conductive electrolyte fills between the cathode foil and the anode foil and contains butyrolactone. The separator includes an aromatic polyamide fiber mater...

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Bibliographic Details
Main Authors Erickson Kurt J, Strange Thomas F, Bowen David R, Fernstrom Peter, Hemphill Ralph Jason
Format Patent
LanguageEnglish
Published 14.12.2017
Subjects
BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
ELECTROTHERAPY
HUMAN NECESSITIES
HYGIENE
MAGNETOTHERAPY
MEDICAL OR VETERINARY SCIENCE
RADIATION THERAPY
ULTRASOUND THERAPY
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Summary:A capacitor includes an anode foil, a cathode foil, a conductive electrolyte, and a separator between the cathode foil and the anode foil. The conductive electrolyte fills between the cathode foil and the anode foil and contains butyrolactone. The separator includes an aromatic polyamide fiber material. The aromatic polyamide fiber material is non-woven and includes a para-aromatic-polyamide synthetic fiber. The separator has a thickness in a range of about 5 μm to about 20 μm and a density of greater than about 1.0 g/cm3.
Bibliography:Application Number: US201715623251